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# to you under the Apache License, Version 2.0 (the
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#
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"""Utils to provide dashboards for tests"""

import json
from typing import Optional

from pandas import DataFrame  # noqa: F401

from superset import db
from superset.connectors.sqla.models import SqlaTable
from superset.models.core import Database
from superset.models.dashboard import Dashboard
from superset.models.slice import Slice
from superset.utils.core import DatasourceType, get_example_default_schema


def get_table(
    table_name: str,
    database: Database,
    schema: Optional[str] = None,
):
    schema = schema or get_example_default_schema()
    return (
        db.session.query(SqlaTable)
        .filter_by(database_id=database.id, schema=schema, table_name=table_name)
        .one_or_none()
    )


def create_table_metadata(
    table_name: str,
    database: Database,
    table_description: str = "",
    fetch_values_predicate: Optional[str] = None,
    schema: Optional[str] = None,
) -> SqlaTable:
    schema = schema or get_example_default_schema()

    table = get_table(table_name, database, schema)
    if not table:
        table = SqlaTable(
            schema=schema,
            table_name=table_name,
            normalize_columns=False,
            always_filter_main_dttm=False,
        )
        db.session.add(table)
    if fetch_values_predicate:
        table.fetch_values_predicate = fetch_values_predicate
    table.database = database
    table.description = table_description
    db.session.commit()

    return table


def create_slice(
    title: str, viz_type: str, table: SqlaTable, slices_dict: dict[str, str]
) -> Slice:
    return Slice(
        slice_name=title,
        viz_type=viz_type,
        datasource_type=DatasourceType.TABLE,
        datasource_id=table.id,
        params=json.dumps(slices_dict, indent=4, sort_keys=True),
    )


def create_dashboard(
    slug: str, title: str, position: str, slices: list[Slice]
) -> Dashboard:
    dash = db.session.query(Dashboard).filter_by(slug=slug).one_or_none()
    if dash:
        return dash
    dash = Dashboard()
    dash.dashboard_title = title
    if position is not None:
        js = position
        pos = json.loads(js)
        dash.position_json = json.dumps(pos, indent=4)
    dash.slug = slug
    if slices is not None:
        dash.slices = slices
    db.session.add(dash)
    db.session.commit()

    return dash
